/***********************************************************************
File:            firstgul.c
Description:        first program to test gul
Author:            Junnes Yang
Data:            Jun 11, 2012
Version:        1.0
***********************************************************************/
#include <gtk/gtk.h>  

void hello(GtkWidget *widget,gpointer data)
{
    g_print("Hello Ubuntu!\n");
}

gint delete_event(GtkWidget *widget,GdkEvent *event,gpointer data)
{
    g_print ("delete event occurred\n");
    return(TRUE);
}

void destroy(GtkWidget *widget,gpointer data)
{
    gtk_main_quit();
}

int main(int argc,char*argv[])  
{  
 
    GtkWidget *window;
    GtkWidget *button;  
  
    gtk_init(&argc,&argv); 
  
    window=gtk_window_new(GTK_WINDOW_TOPLEVEL); 

    gtk_window_set_title(GTK_WINDOW(window),"Hello,World");

    gtk_signal_connect (GTK_OBJECT(window),"delete_event",GTK_SIGNAL_FUNC(delete_event),NULL);

    gtk_signal_connect (GTK_OBJECT (window), "destroy",GTK_SIGNAL_FUNC (destroy), NULL);

    gtk_container_set_border_width (GTK_CONTAINER (window), 10);
  
    button = gtk_button_new_with_label ("Hello Ubuntu!");

    gtk_signal_connect (GTK_OBJECT (button), "clicked",GTK_SIGNAL_FUNC (hello), NULL);

    gtk_signal_connect_object (GTK_OBJECT (button), "clicked",GTK_SIGNAL_FUNC (gtk_widget_destroy),GTK_OBJECT (window));
  
    gtk_container_add (GTK_CONTAINER (window), button);
    gtk_widget_show(window);  
  
    gtk_widget_show (button);

    gtk_main();  
  
    return 0;  
  
}  
